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Les enjeux territoriaux contemporains de l’endiguement en milieu urbain : L’évolution des rives du fleuve Rouge à Hanoï

Abstract : This thesis is aimed to analyze the characteristics of the relation between cities and rivers, and also the transformations of riverine zones under urbanization, with the case study of Hanoi and Red river, which is typical of this relation in Southeast Asia. Red river is an important base of Vietnamese’s settlement, the evolution of the riverine zones and urban water form of Hanoi. Its relation with the city is built by some contrary characteristics. The river brings the city opportunities, but also threatens it with a risk of inundation: firstly, the river contributes to the development of agriculture by bringing water and depositing alluvium on the riverbank; it also creates an important fluvial traffic and make up the city’s form. However, flood from the river is always a persistent peril. Throughout the history, the inhabitants have been seeking to cohabit with the river. The construction and the evolution of the dyke is a typical example of this process. The dyke prevents the river from flooding the city, but it also divides the city into 2 parts. This separation brings on many problems. Under pressure of urbanization and lack of land register, the densely populated outside-dyke zones in city center and the new urban quarters in the South are transforming rapidly. Accordingly, an interdisciplinary research was carried out in order to analyze the process and the consequences of these transformations. In the context of a « new capital » from 2008 and its master plan for 2030 with many development strategies concerning urban expansion and the migration towards the city center, this research focus on economic evolution, land dispute, transformations of the system of urban infrastructure and their environmental consequences in the new riverine urban quarters, social problems in the central zones where concentrated by a lot of immigrants, the hesitation between modernity and tradition in the handicraft villages. Finally, this thesis is aimed to analyze the contrary impacts of these transformations to urban development of Hanoi, especially in landscape and in urban infrastructure.
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Submitted on : Monday, May 14, 2018 - 4:50:07 PM
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Ha Phong Le. Les enjeux territoriaux contemporains de l’endiguement en milieu urbain : L’évolution des rives du fleuve Rouge à Hanoï. Architecture, aménagement de l'espace. Université de Lyon, 2016. Français. ⟨NNT : 2016LYSEI124⟩. ⟨tel-01791541⟩

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